<template>
    <div class="courseContainer">
        <div class="courseInfoTop">
            <div class="info-container">
                <ul class="route">
                    <li class="route-item" style="cursor: pointer">
                        <router-link to="/home/course" style="color: #fff">课程</router-link>
                    </li>
                    <li class="route-item"><i class="el-icon-arrow-right"></i></li>
                    <li class="route-item" style="cursor: pointer">{{ data.DetaileData.isMember === 1 ? '会员课程' : '白给课程'
                    }}
                    </li>
                    <li class="route-item"><i class="el-icon-arrow-right"></i></li>
                    <li class="route-item">前端路由课程1</li>
                </ul>
                <div class="name">前端路由课程2</div>
                <div class="info">
                    <div class="Avat">
                        <img :src="data.DetaileData.courseCover" alt="" />
                    </div>
                    <ul class="teacherName">
                        <li class="name-item">
                            前端路由课程3
                            <img :src="data.DetaileData.courseCover" alt="" />
                        </li>
                        <li class="name-item">金牌讲师</li>
                    </ul>
                    <ul class="access">
                        <li class="access-item">难度</li>
                        <li class="access-item">高级</li>
                        <li class="access-item">·</li>
                        <li class="access-item">时长</li>
                        <li class="access-item">100个小时</li>
                        <li class="access-item">·</li>
                        <li class="access-item">学习人数</li>
                        <li class="access-item">200人</li>
                        <li class="access-item">·</li>
                        <li class="access-item">综合评分</li>
                        <li class="access-item">10.00</li>
                    </ul>
                </div>
            </div>
        </div>

        <div class="info-nav">
            <div class="nav-container">
                <div class="chapter-item">
                    <div class="active1">章节</div>
                    <div class="line active2"></div>
                </div>
                <div class="chapter-item">
                    <div class="active1">下载资料</div>
                    <div class="line active2"></div>
                </div>
            </div>
        </div>
        <div class="course">
            <div class="main">
                <div class="introduction">
                    <div class="desc">
                        该课程暂无介绍
                    </div>
                    <div class="btn">
                        <button class="btn-item active">立即购买</button>
                        <button class="btn-item" @click="AddShopCarHandler()">加入购物车</button>
                    </div>
                </div>
                <div class="video" v-for="item in data.DetaileData.bizCourseChapters" :key="item.id">
                    <div class="chapterName">{{ item.chapterName }}</div>
                    <div class="chapterDesc">{{ item.description }}</div>
                    <ul class="videos">
                        <li class="video-item" v-for="k in item.children" :key="k.id">
                            <div class="video-itemIcon">
                                <i class="el-icon-video-camera"></i>
                            </div>

                            <div class="item-name">
                                <span class="shipin">视频：</span>
                                <span class="chapterName">{{ k.chapterName }}</span>
                                <span class="free">试看</span>
                            </div>
                            <button class="btn-learn" @click="StartStudyHandler(k)">开始学习</button>
                            <div class="clearfloat"></div>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
        <div>
            <div v-for="item in data.DetaileData.bizCourseAttachments" :key="item.id">
                <div class="down">
                    <div class="source">
                        <span class="downloadCourse">{{ item.attachmentName }}}</span>
                        <button class="downloadbtn" @click="DownLoadFileHandler(item)">下载资料</button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>

<script setup>
// //组件
import { req_CourseDetaile } from '../../../api/req_fun'
import useUserStore from '../../../store/user'
import { storeToRefs } from 'pinia'
import { req_checkAuth, req_CreateToken, req_AddShopCarItem } from '../../../api/req_fun'
import { req_DownLoad_file } from '../../../utils/utils'
// 数据
const UserStore = useUserStore()
const { token, userInfo } = storeToRefs(UserStore)
const router = useRouter()
let data = reactive({
    DetaileData: {}
})
const route = useRoute()

// 方法
const DownLoadFileHandler = async (item) => {
    // 先查看是否登录
    if (token.value) {
        // 校验权限
        try {
            const res = await req_checkAuth({
                courseId: item.courseId,
                chapterId: item.chapterId
            })
            if (res.data.data.data.hasAuth) {
                // 校验通过
                // 发送请求下载文件
                req_DownLoad_file(item)
            }
        } catch (err) {
            console.log(err);
        }
    } else {
        router.push('/login')
    }
}
// 点击开始学习
const StartStudyHandler = (k) => {
    router.push({ path: '/playvideo', query: { item: JSON.stringify(k) } })
}
// 加入购物车
const AddShopCarHandler = () => {
    // 创建临时token
    req_CreateToken().then((res) => {
        if (parseInt(res.data.meta.code) === 200) {
            // 请求添加数据
            req_AddShopCarItem(res.data.data.token, {
                courseId: data.DetaileData.id,//课程ID
                memberId: userInfo.value.id//会员ID
            }).then((res) => {
                console.log(res);
                if (parseInt(res.data.meta.code) === 200) {
                    ElMessage.success('添加成功')
                }
            }).catch((err) => {
                console.log(err);
            })
        }

    }).catch((err) => {
        console.log(err);
    })
}


// 钩子函数
onBeforeMount(async () => {
    // 请求详情数据
    try {
        const { data: { data: { data: res } } } = await req_CourseDetaile(route.query.courseId)
        data.DetaileData = res
    } catch (err) {
        console.log(err);
    }

})
</script>

<style scoped>
.courseContainer {
    width: 100%;
    height: 100%;
    background: #f8fafc;
    overflow: hidden;
}

.main {
    margin: 40px auto;
    width: 1200px;
    height: 100%;
}

.courseInfoTop {
    width: 100%;
    height: 200px;
    background-image: url("https://www.xuexiluxian.cn/resources/images/courseInfobg1920.png");
}

.nav-container {
    width: 1200px;
    margin: 0 auto;
    color: #333333;
    display: flex;
}

/* .chapter-item  .active{
    color: #388FFF;

} */
/* 背景部分开始 */
.courseInfoTop .info-container {
    margin: 0 auto;
    width: 1200px;
    height: 200px;
    color: #ffffff;
    z-index: 5;
}

.route {
    /*margin-left: 50px;*/
    padding-top: 20px;
    display: flex;
    font-size: 14px;
}

.route .route-item {
    margin-right: 10px;
}

.name {
    margin: 30px 0 10px 0px;
    font-size: 24px;
}

.info {
    display: flex;
    /*margin-left: 50px;*/
}

.info .Avat {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.info .Avat img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.teacherName {
    margin: 8px 0 0 8px;
}

.name-item img {
    width: 14px;
    height: 14px;
}

.access {
    margin: 0 0 0 100px;
    display: flex;
}

.access .access-item {
    margin-right: 10px;
    line-height: 60px;
}

/* 背景部分结束 */

/* 导航栏开始 */
.info-nav {
    width: 100%;

    background: #ffffff;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
}

.course {
    margin: 0 auto;
    width: 1200px;
}

.chapter {
    display: flex;
    font-weight: 600;
    color: #333333;
    margin-left: 50px;
    font-size: 20px;
}

.chapter-item {
    padding-bottom: 8px;
    font-size: 20px;
    font-weight: bold;
    line-height: 80px;
    margin-right: 70px;
    cursor: pointer;
    position: relative;
}

.chapter-item .active1 {
    color: #388fff;
}

.chapter-item .active2 {
    position: absolute;
    width: 70%;
    top: 63px;
    left: calc(30% / 2);
    height: 4px;
    background: #388fff;
    border-radius: 2px;
}

/* 导航栏结束 */
/* 课程介绍开始 */
.introduction {
    /*margin-left: 50px;*/
    /*padding: 20px;*/
    width: 1210px;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}

.desc {
    padding: 20px;
    color: #474747;
    line-height: 35px;
}

.btn {
    float: right;
    margin-top: 10px;
    padding: 0 20px 20px;
}

.btn-item {
    width: 120px;
    height: 40px;
    /*margin: 0 20px 0 0;*/
    padding: 0px;
    border: 0px;
    outline: none;
    color: #f11d1d;
    border-radius: 23px;
    cursor: pointer;
}

.btn .active {
    background: #f11d1d !important;
    color: #ffffff;
    margin-right: 10px;
}

/* 课程介绍结束 */

/* 视频目录开始 */
.video {
    margin: 20px 0;
    padding: 20px;
    width: 1170px;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}

.video .chapterName {
    font-weight: bold;
    font-size: 20px;
    color: #333333;
}

.video .free {
    padding-left: 20px;
    font-size: 14px;
    color: #388fff;
}

.chapterDesc {
    margin: 10px 0;
    font-size: 13px;
    color: #5c5c5c;
}

.video-item {
    height: 40px;
    line-height: 40px;
    padding: 5px 0;
    /*margin: 0 0 10px 0;*/
    border-radius: 8px;
}

.video-item:hover {
    cursor: pointer;
    background: rgba(53, 133, 255, 0.2);
    border-radius: 8px;
    color: #388fff !important;
}

.video-item .shipin {
    color: #333333;
    font-weight: bold;
}

.video-item .chapterName {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
}

.video-itemIcon,
.item-name {
    float: left;
    padding-left: 10px;
}

.btn-learn {
    margin: 5px 5px 0 0;
    float: right;
    right: -100px;
    width: 80px;
    height: 30px;
    line-height: 30px;
    border: 0px;
    outline: none;
    color: #fff;
    background: #388fff;
    border-radius: 12px;
    cursor: pointer;
}

.clearfloat {
    clear: both;
}

/* 视频目录结束 */
.source {
    margin: 2px 0;
    padding: 5px;
    display: flex;
    justify-content: space-between;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}

.down {
    margin: 10px auto !important;
    width: 1200px;
    height: 100%;
    padding: 5px;
    background: #ffffff;
    box-sizing: border-box;
    border-radius: 8px;
}

.down:first-child {
    margin: 40px 0 5px 0;
}

.downloadbtn {
    width: 100px;
    height: 30px;
    line-height: 30px;
    background: #388fff;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
</style>